/*
 * $Id: 9c6fbdf9bc2c7bce2b09f9afe176c9fabbafb5f4 $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 2007-2015 iText Group NV
 * Authors: Bruno Lowagie et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
package com.itextpdf.rups.view.contextmenu;

import javax.swing.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

/**
 * Generic mouse listener that checks if a menu popup should be shown or not.
 * A hook has been provided for your convenience: showPopupHook()
 *
 * @author Michael Demey
 */
public class ContextMenuMouseListener extends MouseAdapter {

    private JPopupMenu popup;
    protected JComponent component;

    public ContextMenuMouseListener(JPopupMenu popup, JComponent component) {
        this.popup = popup;
        this.component = component;
    }

    private void showMenuIfPopupTrigger(MouseEvent e) {
        if (e.isPopupTrigger() && showPopupHook(e) ) {
            popup.show(component, e.getX() + 3, e.getY() + 3);
        }
    }

    @Override
    public void mousePressed(MouseEvent e) {
        showMenuIfPopupTrigger(e);
    }

    @Override
    public void mouseReleased(MouseEvent e) {
        showMenuIfPopupTrigger(e);
    }

    /**
     * This method should be implemented appropriately by subclasses
     * @param event
     * @return boolean
     */
    public boolean showPopupHook(MouseEvent event) {
        return true;
    }
}
